Implement cutting-edge 3D portfolio enhancements with Three.js, interactive particles, and advanced animations

[Copilot]

This PR transforms the portfolio website with stunning 3D elements and animations, creating a visually impressive and interactive experience that makes the portfolio stand out from the crowd.

🚀 Major Features Implemented

3D Floating Geometric Background

Added a WebGL-powered 3D scene featuring floating geometric shapes (cubes, spheres, pyramids, tetrahedrons, icosahedrons) with:

• Physics-based movement with realistic velocity and collision detection
• Interactive mouse tracking that repels and attracts shapes based on cursor position
• Smooth animations running at 60fps with hardware acceleration
• Dynamic lighting with ambient and directional lights

Interactive 3D Particle System

Upgraded the basic particle system to a sophisticated Three.js implementation:

• 500+ interactive particles with magnetic mouse effects
• Color-coded particles matching the site's theme (primary, purple, blue)
• Real-time physics simulation with velocity damping and boundary wrapping
• Gravitational effects when mouse approaches particles

3D Card Transformations

Enhanced project cards with immersive 3D effects:

• Mouse tracking tilt effects that respond to cursor position within each card
• Perspective transformations with depth and rotation
• Enhanced hover states with 3D scaling and glowing shadows
• Smooth transitions that maintain performance

3D Navigation & UI Elements

Transformed the entire UI with subtle 3D enhancements:

• Floating navigation links with perspective transforms on hover
• 3D button effects with depth and rotation animations
• Enhanced floating cards with improved 3D animations and click interactions
• Progressive enhancement that doesn't break existing functionality

Advanced CSS 3D Animations

Added sophisticated text and progress effects:

• Floating hero text with individual character animations
• 3D progress bars with animated shine effects
• Perspective-based hover effects throughout the site
• Theme-consistent styling that integrates seamlessly

⚡ Performance & Accessibility

• RequestAnimationFrame optimization for smooth 60fps animations
• Intersection Observer for performance-conscious loading
• Reduced motion support respecting user accessibility preferences
• Mobile optimization with touch-friendly interactions
• WebGL fallback handling for unsupported browsers

🛠 Technical Implementation

The implementation includes a comprehensive Portfolio3D class that manages:

• Three.js scene setup with optimized renderer settings
• Geometric shape generation with random properties
• Particle system with buffer geometry for performance
• Mouse event handling with normalized coordinates
• Animation loop with proper cleanup and memory management

Enhanced the existing ModernPortfolio class with:

• setup3DCardEffects() method for mouse tracking
• enhance3DProgressBars() for skill visualization
• Integrated 3D hover effects for all interactive elements

📸 Visual Results

The portfolio now features a mesmerizing 3D background with floating geometric shapes, interactive particles that respond to mouse movement, and enhanced UI elements with depth and perspective. All animations are smooth, performant, and respect user preferences for reduced motion.

This transformation elevates the portfolio to a premium, cutting-edge experience while maintaining excellent performance and accessibility standards.

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💡 You can make Copilot smarter by setting up custom instructions, customizing its development environment and configuring Model Context Protocol (MCP) servers. Learn more Copilot coding agent tips in the docs.

[nishant9083]

@copilot Remove the three js part as it is not looking good. yeah but the css changes you made to links, cards, etc.. that is okay